US 12,279,519 B2
Organic electroluminescence device
Hyejin Jung, Hwaseong-si (KR); Minje Kim, Suwon-si (KR); Eung Do Kim, Seoul (KR); Hyunyoung Kim, Yongin-si (KR); Hyojeong Kim, Hwaseong-si (KR); Hyosup Shin, Hwaseong-si (KR); Seokgyu Yoon, Hwaseong-si (KR); Youngki Lee, Asan-si (KR); Jungsub Lee, Hwaseong-si (KR); Jiyoung Lee, Hwaseong-si (KR); Kunwook Cho, Seoul (KR); Hyeon Gu Cho, Yongin-si (KR); Minsoo Choi, Hwaseong-si (KR); Youngeun Choi, Jeonju-si (KR); and Hyein Jeong, Suwon-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Aug. 19, 2020, as Appl. No. 16/997,715.
Claims priority of application No. 10-2019-0121388 (KR), filed on Oct. 1, 2019.
Prior Publication US 2021/0098721 A1, Apr. 1, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 51/00 (2006.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/40 (2023.02) [H10K 85/322 (2023.02); H10K 85/342 (2023.02); H10K 85/346 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/11 (2023.02); H10K 50/12 (2023.02); H10K 2101/10 (2023.02)] 22 Claims
OG exemplary drawing
 
1. An organic electroluminescence device comprising:
a first electrode;
a second electrode on the first electrode; and
an emission layer between the first electrode and the second electrode,
wherein the emission layer comprises:
a first host;
a second host different from the first host;
a first dopant represented by Formula D-1a or Formula D-1b; and
a second dopant represented by Formula D-2:

OG Complex Work Unit Chemistry
wherein, in Formula D-1a,
M1 is Pt, Pd, Cu, or Os,
Q1 to Q4 are each independently C or N,
C1 to C4 are each independently a substituted or unsubstituted hydrocarbon ring having 5 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heterocyclic ring having 2 to 30 carbon atoms for forming a ring,
L21 to L24 are each independently a direct linkage, *—O— *, * —S—* ,

OG Complex Work Unit Chemistry
a substituted or unsubstituted divalent alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
e1 to e4 are each independently 0 or 1,
R31 to R36 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 1 to 30 carbon atoms for forming a ring, and any of R31 to R36 are optionally combined with an adjacent group to form a ring, and
d1 to d4 are each independently an integer of 0 to 4,
in Formula D-lb,
M2 is Ir, Ru, or Rh,
n is 1 or 2,
X1 to X4, Y1 to Y4 and Z1 to Z4 are each independently CRn or N, and Rp, Rq, and Rn are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted hydrocarbon ring having 5 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heterocyclic ring having 2 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted amine group, and any of Rp, Rq, and Rn are optionally combined with an adjacent group to form a ring,

OG Complex Work Unit Chemistry
and
wherein in Formula D-2,
A1 and A2 are each independently NRm or O,
Rm is a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group of 2 to 30 carbon atoms for forming a ring, and
R1 to R11 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted amine group, a substituted or unsubstituted boryl group, a substituted or unsubstituted oxy group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, and any of R1 to R11 are optionally combined with an adjacent group to form a ring.